63e88f80
 Hu Chunming
提交三方库
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/*=============================================================================
Copyright (c) 2014 Paul Fultz II
unwrap.h
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#ifndef BOOST_HOF_GUARD_UNWRAP_H
#define BOOST_HOF_GUARD_UNWRAP_H
#include <type_traits>
#include <functional>
namespace boost { namespace hof { namespace detail {
template <class T>
struct unwrap_reference
{
typedef T type;
};
template <class T>
struct unwrap_reference<std::reference_wrapper<T>>
{
typedef T& type;
};
}}} // namespace boost::hof
#endif
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